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#!/usr/bin/env python3
# utility to tidy dates and detect lack of copyright.
# Copyright (C) 2016-2023 Free Software Foundation, Inc.
#
# This file is part of GNU Modula-2.
#
# GNU Modula-2 is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Modula-2 is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Modula-2; see the file COPYING. If not, write to the
# Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
import os
import pathlib
import shutil
import sys
max_line_length = 60
COPYRIGHT = 'Copyright (C)'
def visit_dir(directory, ext, func):
# visit_dir - call func for each file below, dir, matching extension, ext.
list_of_files = os.listdir(directory)
list_of_files.sort()
for filename in list_of_files:
path = pathlib.PurePath(filename)
full = os.path.join(directory, filename)
if path.is_file(full):
if path.suffix == ext:
func(full)
elif path.is_dir(full):
visit_dir(full, ext, func)
def is_year(year):
# is_year - returns True if, year, is legal.
if len(year) == 5:
year = year[:-1]
for c in year:
if not c.isdigit():
return False
return True
def handle_copyright(outfile, lines, n, leader1, leader2):
# handle_copyright look for Copyright in the comment.
global max_line_length
i = lines[n]
c = i.find(COPYRIGHT)+len(COPYRIGHT)
outfile.write(i[:c])
d = i[c:].split()
start = c
seen_date = True
years = []
while seen_date:
if d == []:
n += 1
i = lines[n]
d = i[2:].split()
else:
e = d[0]
punctuation = ''
if len(d) == 1:
d = []
else:
d = d[1:]
if c > max_line_length:
outfile.write('\n')
outfile.write(leader1)
outfile.write(leader2)
outfile.write(' '*(start-2))
c = start
if is_year(e):
if (e[-1] == '.') or (e[-1] == ','):
punctuation = e[-1]
e = e[:-1]
else:
punctuation = ''
else:
seen_date = False
if seen_date:
if not (e in years):
c += len(e) + len(punctuation)
outfile.write(' ')
outfile.write(e)
outfile.write(punctuation)
years += [e]
else:
if start < c:
outfile.write('\n')
outfile.write(leader1)
outfile.write(leader2)
outfile.write(' '*(start-2))
outfile.write(' ')
outfile.write(e)
outfile.write(punctuation)
for w in d:
outfile.write(' ')
outfile.write(w)
outfile.write('\n')
return outfile, n+1
def handle_header(filename, leader1, leader2):
# handle_header reads in the header of a file and inserts
# a line break around the Copyright dates.
print('------------------------------')
lines = open(filename).readlines()
if len(lines) > 20:
with open('tmptidy', 'w') as outfile:
n = 0
for i in lines:
if i.find('Copyright (C)') >= 0:
outfile, n = handle_copyright(outfile, lines,
n, leader1, leader2)
outfile.writelines(lines[n:])
outfile.close()
print('-> mv tmptidy', filename)
shutil.move('tmptidy', filename)
return
else:
outfile.write(lines[n])
n += 1
sys.stdout.write('%s:1:1 needs a Copyright notice..\n' % filename)
def bash_tidy(filename):
# bash_tidy - tidy up dates using '#' comment
handle_header(filename, '#', ' ')
def c_tidy(filename):
# c_tidy - tidy up dates using '/* */' comments
handle_header(filename, ' ', '*')
def m2_tidy(filename):
# m2_tidy - tidy up dates using '(* *)' comments
handle_header(filename, ' ', ' ')
def main():
# main - for each file extension call the appropriate tidy routine.
visit_dir('.', '.in', bash_tidy)
visit_dir('.', '.py', bash_tidy)
visit_dir('.', '.c', c_tidy)
visit_dir('.', '.h', c_tidy)
visit_dir('.', '.def', m2_tidy)
visit_dir('.', '.mod', m2_tidy)
main()
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